ISABELLE SLOAN FEINSTEIN LMSW
NPI 1861370033
Social Worker in New York, NY

Q: What is Isabelle Feinstein's NPI number?

The NPI number for Isabelle Feinstein is 1861370033. It was assigned to this individual provider in the NPPES registry on August 25, 2025.

Q: What is Isabelle Feinstein's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Active since August 25, 2025

160 E 89TH ST APT 1B, NEW YORK, NY 10128(914) 309-7058 Get Directions Write a Review

NPPES record last updated: August 25, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Isabelle Sloan Feinstein Lmsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ISABELLE SLOAN FEINSTEIN LMSW (NPI 1861370033) is an individual social worker in New York, New York, licensed in New York (128516-01) and active in the NPI registry since August 2025. She maintains a secondary practice location in New York.

NPPES Registry Identity

NPI1861370033

Entity TypeIndividualFemale

Primary Taxonomy104100000X

Provider Legal NameISABELLE SLOAN FEINSTEINCredential: LMSW

Location Address160 E 89TH ST APT 1BNew York, NY 10128-2306

Mailing Address240 E 39th St Apt 20eNew York, NY 10016-7205 · (908) 400-9927

Phone(914) 309-7058

Sole ProprietorNo

Enumeration DateAugust 25, 2025

NPPES CertifiedAugust 25, 2025

✔ NPI 1861370033 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers

Taxonomy Code104100000X

License✔ Licensed in NY · 128516-01

Definition

A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

160 E 89TH ST APT 1B, New York, NY 10128

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Secondary Practice Location 1

Location 1240 E 39th St Apt 20ENew York, NY 10016-7205 · Phone (908) 400-9927

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NINA LYNN MILLER PH.D.

Psychologist

160 E 89TH ST APT 1B
NEW YORK, NY 10128

New York County (212) 426-9253

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Isabelle Feinstein's NPI number?

The NPI number for Isabelle Feinstein is 1861370033. It was assigned to this individual provider in the NPPES registry on August 25, 2025.

Where is Isabelle Feinstein located?

Isabelle Feinstein practices at 160 E 89th St Apt 1B, New York, NY 10128. The listed phone number is (914) 309-7058.

What is Isabelle Feinstein's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Isabelle Feinstein was last updated on August 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.